21427839840
21,427,839,840 is an even composite number composed of seven prime numbers multiplied together.
21427839840 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of five hundred seventy-six divisors.
Prime factorization of 21427839840:
25 × 3 × 5 × 11 × 312 × 41 × 103
(2 × 2 × 2 × 2 × 2 × 3 × 5 × 11 × 31 × 31 × 41 × 103)See below for interesting mathematical facts about the number 21427839840 from the Numbermatics database.
Names of 21427839840
- Cardinal: 21427839840 can be written as Twenty-one billion, four hundred twenty-seven million, eight hundred thirty-nine thousand, eight hundred forty.
Scientific notation
- Scientific notation: 2.142783984 × 1010
Factors of 21427839840
Divisors of 21427839840
- Number of divisors d(n): 576
-
Complete list of divisors:
1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 31 32 33 40 41 44 48 55 60 62 66 80 82 88 93 96 103 110 120 123 124 132 155 160 164 165 176 186 205 206 220 240 246 248 264 309 310 328 330 341 352 372 410 412 440 451 465 480 492 496 515 528 615 618 620 656 660 682 744 820 824 880 902 930 961 984 992 1023 1030 1056 1133 1230 1236 1240 1271 1312 1320 1353 1364 1488 1545 1640 1648 1705 1760 1804 1860 1922 1968 2046 2060 2255 2266 2460 2472 2480 2542 2640 2706 2728 2883 2976 3090 3193 3280 3296 3399 3410 3608 3720 3813 3844 3936 4092 4120 4223 4510 4532 4805 4920 4944 4960 5084 5115 5280 5412 5456 5665 5766 6180 6355 6386 6560 6765 6798 6820 7216 7440 7626 7688 8184 8240 8446 9020 9064 9579 9610 9840 9888 10168 10230 10571 10824 10912 11330 11532 12360 12669 12710 12772 13530 13596 13640 13981 14415 14432 14880 15252 15376 15965 16368 16480 16892 16995 18040 18128 19065 19158 19220 19680 20336 20460 21115 21142 21648 22660 23064 24720 25338 25420 25544 27060 27192 27280 27962 28830 30504 30752 31713 31930 32736 33784 33990 35123 36080 36256 38130 38316 38440 39401 40672 40920 41943 42230 42284 43296 45320 46128 46453 47895 49440 50676 50840 51088 52855 54120 54384 54560 55924 57660 61008 63345 63426 63860 67568 67980 69905 70246 72160 76260 76632 76880 78802 81840 83886 84460 84568 90640 92256 92906 95790 98983 101352 101680 102176 105369 105710 108240 108768 111848 115320 118203 122016 126690 126852 127720 130913 135136 135960 139359 139810 140492 152520 153264 153760 157604 158565 163680 167772 168920 169136 175615 181280 185812 191580 197005 197966 202704 203360 209715 210738 211420 216480 223696 230640 232265 236406 253380 253704 255440 261826 271920 278718 279620 280984 296949 305040 306528 315208 317130 335544 337840 338272 351230 371624 383160 392739 394010 395932 405408 419430 421476 422840 433411 447392 461280 464530 472812 494915 506760 507408 510880 523652 526845 543840 557436 559240 561968 591015 593898 610080 630416 634260 654565 671088 675680 696795 702460 743248 766320 785478 788020 791864 838860 842952 845680 866822 929060 945624 989830 1013520 1014816 1047304 1053690 1088813 1114872 1118480 1123936 1182030 1187796 1260832 1268520 1300233 1309130 1342176 1393590 1404920 1440043 1484745 1486496 1532640 1570956 1576040 1583728 1677720 1685904 1691360 1733644 1858120 1891248 1963695 1979660 2027040 2094608 2107380 2167055 2177626 2229744 2236960 2364060 2375592 2537040 2600466 2618260 2787180 2809840 2880086 2969490 3141912 3152080 3167456 3266439 3355440 3371808 3467288 3716240 3782496 3927390 3959320 4058303 4189216 4214760 4320129 4334110 4355252 4459488 4728120 4751184 5074080 5200932 5236520 5444065 5574360 5619680 5760172 5938980 6283824 6304160 6501165 6532878 6710880 6934576 7200215 7432480 7854780 7918640 8116606 8429520 8640258 8668220 8710504 9456240 9502368 10401864 10473040 10888130 11148720 11520344 11877960 12174909 12567648 13002330 13065756 13869152 14400430 15709560 15837280 16233212 16332195 16859040 17280516 17336440 17421008 18912480 20291515 20803728 20946080 21600645 21776260 22297440 23040688 23755920 24349818 26004660 26131512 28800860 31419120 32466424 32664390 34561032 34672880 34842016 40583030 41607456 43201290 43552520 44641333 46081376 47511840 48699636 52009320 52263024 57601720 60874545 62838240 64932848 65328780 69122064 69345760 81166060 86402580 87105040 89282666 97399272 104018640 104526048 115203440 121749090 129865696 130657560 133923999 138244128 162332120 172805160 174210080 178565332 194798544 208037280 223206665 230406880 243498180 261315120 267847998 324664240 345610320 357130664 389597088 446413330 486996360 522630240 535695996 649328480 669619995 691220640 714261328 892826660 973992720 1071391992 1339239990 1428522656 1785653320 1947985440 2142783984 2678479980 3571306640 4285567968 5356959960 7142613280 10713919920 21427839840
- Sum of all divisors σ(n): 78698221056
- Sum of proper divisors (its aliquot sum) s(n): 57270381216
- 21427839840 is an abundant number, because the sum of its proper divisors (57270381216) is greater than itself. Its abundance is 35842541376
Bases of 21427839840
- Binary: 100111111010011001011100011011000002
- Hexadecimal: 0x4FD32E360
- Base-36: 9UDKZ1C
Squares and roots of 21427839840
- 21427839840 squared (214278398402) is 459152320208691225600
- 21427839840 cubed (214278398403) is 9838642379596230958170107904000
-
The
square root of 21427839840 is 146382.5120702607 -
The
cube root of 21427839840 is 2777.5345116363
Scales and comparisons
How big is 21427839840?- 21,427,839,840 seconds is equal to 681 years, 17 weeks, 4 days, 9 hours, 44 minutes.
-
To count from 1 to 21,427,839,840 would take you about one thousand, three hundred sixty-two years!
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 21427839840 cubic inches would be around 231.5 feet tall.
Recreational maths with 21427839840
- 21427839840 backwards is 04893872412
- 21427839840 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21427839840's digits is 48
- More coming soon!
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